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Design of DSP Embedded Emulator Based on Ethernet Interface

Junfeng Lu

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Abstract

In this article,a new design of emulator is proposed which is based on Ethernet interface,choosing NIOS II soft-core and Ethernet controller chip LAN91C111 as the MCU. The hardware circuit and the Firmware is described in detail. The third-party software can interact with the emulator for in-system debug and programming. The design has a strong expansibility and agility. It also reduces the cost that used to develop software and the risk in the course of the hardware development.

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What this paper is about

In this article,a new design of emulator is proposed which is based on Ethernet interface,choosing NIOS II soft-core and Ethernet controller chip LAN91C111 as the MCU. The hardware circuit and the Firmware is described in detail. The third-party software can interact with the emulator for in-system debug and programming. The design has a strong expansibility and agility. It also reduces the cost that used to develop software and the risk in the course of the hardware development.

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Available abstract

In this article,a new design of emulator is proposed which is based on Ethernet interface,choosing NIOS II soft-core and Ethernet controller chip LAN91C111 as the MCU. The hardware circuit and the Firmware is described in detail. The third-party software can interact with the emulator for in-system debug and programming. The design has a strong expansibility and agility. It also reduces the cost that used to develop software and the risk in the course of the hardware development.

Key concepts: Firmware, Embedded system, Ethernet, Synchronous Ethernet, Microcontroller, Computer science, ATA over Ethernet, Industrial Ethernet

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